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Finance income and expenses (Details) - ARS ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Finance income and expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest on cash equivalents |  |  |  |  |  |  |  |  |  |  |  |  | $ 5 | $ 1 | $ 20
Gains on other short-term investments |  |  |  |  |  |  |  |  |  |  |  |  | 121 | 61 | 169
Gains on investments (Argentine companies notes and Governments bonds) |  |  |  |  |  |  |  |  |  |  |  |  | 979 | 287 | 432
Interest on receivables |  |  |  |  |  |  |  |  |  |  |  |  | 763 | 373 | 183
Foreign currency exchange gains |  |  |  |  |  |  |  |  |  |  |  |  | 1,217 | 273 | 316
TUVES share purchase option |  |  |  |  |  |  |  |  |  |  |  |  |  | 11 | 9
Other |  |  |  |  |  |  |  |  |  |  |  |  | 30 |  | 1
Total finance income |  |  |  |  |  |  |  |  |  |  |  |  | 3,115 | 1,006 | 1,130
Interest on loans |  |  |  |  |  |  |  |  |  |  |  |  | (928) | (1,613) | (566)
Interest on salaries and social security payable, other taxes payables and accounts payable |  |  |  |  |  |  |  |  |  |  |  |  | (49) | (37) | (26)
Interest on provisions (Note 17) |  |  |  |  |  |  |  |  |  |  |  |  | (320) | (207) | (137)
Loss on discounting of salaries and social security payables, other taxes payable and other liabilities |  |  |  |  |  |  |  |  |  |  |  |  | (6) | (15) | (9)
Foreign currency exchange losses (*) |  |  |  |  |  |  |  |  |  |  |  |  | (2,224) | (1,328) | (1,456)
TUVES share purchase option |  |  |  |  |  |  |  |  |  |  |  |  | (24) |  |
Interest on pension benefits (Note 16) |  |  |  |  |  |  |  |  |  |  |  |  | (47) | (38) | (28)
Other |  |  |  |  |  |  |  |  |  |  |  |  | (3) | (12) | (10)
Total finance expenses |  |  |  |  |  |  |  |  |  |  |  |  | (3,601) | (3,250) | (2,232)
Financial results, net | $ (210) | $ (16) | $ (384) | $ 124 | $ (562) | $ (636) | $ (489) | $ (557) | $ (910) | $ (73) | $ (30) | $ (89) | (486) | (2,244) | (1,102)
NDF |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finance income and expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency exchange gains |  |  |  |  |  |  |  |  |  |  |  |  | $ 40 | $ 5 |
Foreign currency exchange losses (*) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (432)

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- Definition The amount of expense recognised due to the unwinding of the discount on provisions, resulting from the effect of the passage of time. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of costs associated with financing activities of the entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 82 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_82_b&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of income associated with interest and other financing activities of the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_85&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of income or cost associated with interest and other financing activities of the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_85&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The gains (losses) on disposals of investments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 98 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_98_d&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of interest expense on bank loans and overdrafts. [Refer: Interest expense; Bank overdrafts] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of interest income on cash and cash equivalents. [Refer: Interest income; Cash and cash equivalents] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of interest income on loans and receivables. [Refer: Interest income; Loans and receivables] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The net gain arising from foreign exchange differences. [Refer: Foreign exchange gain (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 21 -IssueDate 2017-01-01 -Paragraph 52 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=21&date=2017-03-01&anchor=para_52_a&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The net loss arising from foreign exchange differences. [Refer: Foreign exchange gain (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 21 -IssueDate 2017-01-01 -Paragraph 52 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=21&date=2017-03-01&anchor=para_52_a&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of finance costs that the entity does not separately disclose in the same statement or note. [Refer: Finance costs] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of finance income that the entity does not separately disclose in the same statement or note. [Refer: Finance income] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The gains or (losses) on other short term investments of financial income. + References No definition available. + Details
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- Definition The amount of income on share purchase option. + References No definition available. + Details
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- Definition The interest expense on pension benefits during the financial period. + References No definition available. + Details
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- Definition The interest expense on salaries and social security payable and other taxes payables and accounts payable during the year. + References No definition available. + Details
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- Definition The interest expense on share purchase option during the financial period. + References No definition available. + Details
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- Definition The amount of loss on discounting of salaries and social security payables, other taxes payable and other liabilities. + References No definition available. + Details
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